diff --git a/app/assets/stylesheets/embed.css.scss b/app/assets/stylesheets/embed.css.scss
index 826b4e284c0..03af8d2b98b 100644
--- a/app/assets/stylesheets/embed.css.scss
+++ b/app/assets/stylesheets/embed.css.scss
@@ -8,6 +8,10 @@
 article.post {
   border-bottom: 1px solid #ddd;
 
+  img.avatar {
+    border-radius: 50%;
+  }
+
   &.deleted {
     background-color: #ffe5e5;
   }
@@ -141,3 +145,12 @@ footer {
 
 // load onebox CSS at the end
 @import "./common/base/onebox";
+
+// we apparently use bottom margins on paras in the embed CSS, leading to weirdness
+// which we will now clean up
+aside.onebox {
+  margin-bottom: 20px;
+  p {
+    margin-bottom: 0 !important;
+  }
+}